Technical Specifications for 1794-ASB
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Part number
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1794-ASB
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Manufacturer
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Allen Bradley
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Country of origin
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USA
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Status
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Brand New In Stock
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Year of Production
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2020-2022 available
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About 1794-ASB
The 1794-ASB is an Allen-Bradley Remote I/O communication Adapter module. This product belongs to the Flex I/O product family of distributed I/O modules.
The 1794-ASB has One (1) Remote I/O interface. This RIO protocol is a legacy protocol, utilizing Belden 9463 or equivalent cables for connecting the device to the RIO scanner. This module is compatible for use with Allen-Bradley Legacy controllers such as PLC2, PLC3 and PLC5 controllers as well as SLC500 automation platforms. It may also be used modern Logix controller platforms as well as with 3rd party devices and encompass partner modules.
The 1794-ASB sends and receives data to and from the controller, via Block Transfer Read (BTR) and Block Transfer Write (BTW) instructions. Using these instructions, packets of data may be sent simultaneously or sequentially, depending of the required speed.
The 1794-ASB supports communication rate of 57.6Kbps, 115.2Kbps, and 230.4kbps. The module’s intended supply voltage range is 11VDC-31.2VDC, including 5% ac ripple while the nominal supply is 24VDC. It supports installation of up to Eight (8) Flex I/O modules, for successful implementation of distributed I/O architecture. This module has built-in status indicator such as Power LED, Adapter Active LED, Adapter Fault LED and Local Fault LED. This module is mounted to a standard DIN rail and has an open type enclosure which means the 1794-ASB requires installation inside an appropriate enclosure that protects the device from industrial element and contaminants.
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